------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1798 2002 Aug 16 15.15UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK GMH at AST.STAR.RL.AC.UK WORLD WIDE WEB http://www.theastronomer.org ------------------------------------------------------------------- 2002 NY40 Updated ephemeris (cf TA E-Circular 1795) based on a 33-day-arc with elements from MPEC 2002-Q01. Date UT R.A. (J2000) Decl. Delta r El. Ph. V 2002 08 17 00 21 02.62 +03 26.6 0.016 1.028 160.0 19.7 11.5 2002 08 17 01 21 01.41 +03 43.1 0.016 1.027 159.6 20.1 11.5 2002 08 17 02 21 00.13 +04 00.5 0.015 1.027 159.2 20.5 11.4 2002 08 17 03 20 58.79 +04 19.1 0.015 1.026 158.8 20.9 11.3 2002 08 17 04 20 57.38 +04 38.9 0.014 1.026 158.3 21.4 11.3 2002 08 17 05 20 55.91 +05 00.0 0.014 1.025 157.8 21.9 11.2 2002 08 17 06 20 54.35 +05 22.6 0.013 1.025 157.2 22.5 11.2 2002 08 17 07 20 52.72 +05 46.9 0.013 1.024 156.7 23.1 11.1 2002 08 17 08 20 50.98 +06 13.0 0.012 1.024 156.0 23.7 11.0 2002 08 17 09 20 49.13 +06 41.2 0.012 1.023 155.4 24.3 11.0 2002 08 17 10 20 47.14 +07 11.8 0.012 1.023 154.7 25.1 10.9 2002 08 17 11 20 44.99 +07 45.0 0.011 1.022 153.9 25.8 10.8 2002 08 17 12 20 42.64 +08 21.3 0.011 1.022 153.1 26.7 10.8 2002 08 17 13 20 40.04 +09 01.0 0.010 1.021 152.1 27.6 10.7 2002 08 17 14 20 37.16 +09 44.6 0.010 1.021 151.1 28.6 10.6 2002 08 17 15 20 33.93 +10 32.8 0.009 1.020 150.0 29.8 10.5 2002 08 17 16 20 30.28 +11 26.0 0.009 1.020 148.7 31.0 10.5 2002 08 17 17 20 26.14 +12 25.2 0.008 1.019 147.3 32.5 10.4 2002 08 17 18 20 21.42 +13 31.1 0.008 1.019 145.7 34.1 10.3 2002 08 17 19 20 16.00 +14 44.7 0.007 1.018 143.9 35.9 10.2 2002 08 17 20 20 09.75 +16 07.2 0.007 1.018 141.9 37.9 10.1 2002 08 17 21 20 02.50 +17 39.8 0.006 1.017 139.5 40.2 10.1 2002 08 17 22 19 54.06 +19 23.9 0.006 1.017 136.9 42.9 10.0 2002 08 17 23 19 44.15 +21 21.0 0.006 1.016 133.9 45.9 9.9 2002 08 18 00 19 32.46 +23 32.4 0.005 1.016 130.4 49.4 9.9 2002 08 18 01 19 18.57 +25 59.1 0.005 1.015 126.4 53.4 9.8 2002 08 18 02 19 01.93 +28 41.2 0.005 1.015 121.8 57.9 9.8 2002 08 18 03 18 41.87 +31 37.1 0.004 1.014 116.6 63.2 9.8 2002 08 18 04 18 17.65 +34 42.0 0.004 1.014 110.7 69.1 9.9 2002 08 18 05 17 48.45 +37 47.0 0.004 1.013 104.0 75.8 10.0 2002 08 18 06 17 13.76 +40 37.4 0.004 1.013 96.7 83.1 10.1 2002 08 18 07 16 33.77 +42 54.0 0.004 1.012 88.9 90.9 10.4 2002 08 18 08 15 49.92 +44 17.8 0.004 1.012 80.9 98.9 10.7 Bjorn Granslo, Fjellhamar, Norway reports a recent observation: Object Year Mn Day MM Mag Ref Scope Pwr Obs 2002 NY40 2002 2 15.014 I 13.3 AC 15.2L 150 GRA (Apollo type minor planet, passing 527,000 km from Earth on 2002 Aug. 18.33 UT. Faint with this instrument, but it was positively identified from a field sketch and its motion after about 15 minutes. Magnitude derived from AAVSO RU Peg chart with CCD-V measurements by A. Henden, USNO. Derived mag. corrected -0.2 mag. for extinction.) Guy M Hurst